./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:44:25,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:44:25,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:44:25,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:44:25,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:44:25,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:44:25,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:44:25,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:44:25,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:44:25,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:44:25,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:44:25,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:44:25,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:44:25,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:44:25,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:44:25,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:44:25,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:44:25,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:44:25,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:44:25,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:44:25,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:44:25,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:44:25,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:44:25,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:44:25,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:44:25,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:44:25,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:44:25,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:44:25,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:44:25,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:44:25,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:44:25,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:44:25,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:44:25,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:44:25,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:44:25,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:44:25,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:44:25,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:44:25,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:44:25,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:44:25,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:44:25,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:44:25,399 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:44:25,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:44:25,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:44:25,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:44:25,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:44:25,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:44:25,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:44:25,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:44:25,402 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:44:25,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:44:25,402 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:44:25,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:44:25,403 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:44:25,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:44:25,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:44:25,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:44:25,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:44:25,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:44:25,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:44:25,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:44:25,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:44:25,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:44:25,406 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:44:25,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:44:25,406 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:44:25,406 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:44:25,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:44:25,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:44:25,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:44:25,722 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:44:25,723 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:44:25,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2023-08-29 01:44:26,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:44:27,089 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:44:27,090 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2023-08-29 01:44:27,118 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad24ccdc/46a2ce0017524689a528b999805457c1/FLAG18c6afa9f [2023-08-29 01:44:27,131 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad24ccdc/46a2ce0017524689a528b999805457c1 [2023-08-29 01:44:27,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:44:27,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:44:27,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:44:27,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:44:27,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:44:27,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:44:27" (1/1) ... [2023-08-29 01:44:27,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4712ad56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:27, skipping insertion in model container [2023-08-29 01:44:27,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:44:27" (1/1) ... [2023-08-29 01:44:27,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:44:27,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:44:27,519 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i[5469,5482] [2023-08-29 01:44:29,826 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:44:30,227 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:44:30,228 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:44:30,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:44:30,310 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:44:30,328 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i[5469,5482] [2023-08-29 01:44:30,570 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:44:30,624 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:44:30,624 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:44:30,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:44:31,072 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,073 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:44:31,078 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:44:31,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31 WrapperNode [2023-08-29 01:44:31,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:44:31,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:44:31,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:44:31,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:44:31,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,241 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 70, statements flattened = 1057 [2023-08-29 01:44:31,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:44:31,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:44:31,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:44:31,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:44:31,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:44:31,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:44:31,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:44:31,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:44:31,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (1/1) ... [2023-08-29 01:44:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:44:31,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:44:31,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:44:31,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:44:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:44:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:44:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:44:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:44:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:44:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:44:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:44:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:44:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:44:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:44:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:44:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:44:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 01:44:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 01:44:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:44:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:44:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:44:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:44:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:44:31,465 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:44:31,890 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:44:31,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:44:32,847 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:44:32,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:44:32,899 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-29 01:44:32,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:44:32 BoogieIcfgContainer [2023-08-29 01:44:32,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:44:32,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:44:32,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:44:32,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:44:32,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:44:27" (1/3) ... [2023-08-29 01:44:32,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e20f4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:44:32, skipping insertion in model container [2023-08-29 01:44:32,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:44:31" (2/3) ... [2023-08-29 01:44:32,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e20f4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:44:32, skipping insertion in model container [2023-08-29 01:44:32,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:44:32" (3/3) ... [2023-08-29 01:44:32,909 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2023-08-29 01:44:32,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:44:32,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:44:32,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 94 error locations. [2023-08-29 01:44:32,921 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:44:33,047 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:44:33,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1160 places, 1202 transitions, 2420 flow [2023-08-29 01:44:33,355 INFO L130 PetriNetUnfolder]: 49/1200 cut-off events. [2023-08-29 01:44:33,355 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:44:33,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 1200 events. 49/1200 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1995 event pairs, 0 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:44:33,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 1160 places, 1202 transitions, 2420 flow [2023-08-29 01:44:33,372 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1150 places, 1192 transitions, 2393 flow [2023-08-29 01:44:33,374 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:44:33,380 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1150 places, 1192 transitions, 2393 flow [2023-08-29 01:44:33,382 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1150 places, 1192 transitions, 2393 flow [2023-08-29 01:44:33,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1150 places, 1192 transitions, 2393 flow [2023-08-29 01:44:33,543 INFO L130 PetriNetUnfolder]: 49/1192 cut-off events. [2023-08-29 01:44:33,543 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:44:33,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 1192 events. 49/1192 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1850 event pairs, 0 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:44:33,561 INFO L119 LiptonReduction]: Number of co-enabled transitions 41572 [2023-08-29 01:46:29,045 WARN L222 SmtUtils]: Spent 8.79s on a formula simplification that was a NOOP. DAG size: 531 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:46:36,521 WARN L222 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 479 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:46:53,052 WARN L222 SmtUtils]: Spent 16.53s on a formula simplification that was a NOOP. DAG size: 531 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:05,668 WARN L222 SmtUtils]: Spent 12.61s on a formula simplification that was a NOOP. DAG size: 479 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:13,005 WARN L222 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 290 DAG size of output: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:23,276 WARN L222 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:49:44,184 WARN L222 SmtUtils]: Spent 2.09m on a formula simplification. DAG size of input: 625 DAG size of output: 623 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:50:25,862 WARN L222 SmtUtils]: Spent 41.67s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:53:02,286 WARN L222 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 628 DAG size of output: 626 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:53:38,607 WARN L222 SmtUtils]: Spent 36.31s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:53:38,633 INFO L134 LiptonReduction]: Checked pairs total: 82963 [2023-08-29 01:53:38,633 INFO L136 LiptonReduction]: Total number of compositions: 1503 [2023-08-29 01:53:38,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:53:38,655 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2633d2ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:53:38,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-08-29 01:53:38,656 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:53:38,657 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:38,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:38,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:53:38,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:38,661 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:38,661 INFO L85 PathProgramCache]: Analyzing trace with hash 4487, now seen corresponding path program 1 times [2023-08-29 01:53:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:38,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704803370] [2023-08-29 01:53:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:38,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:38,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704803370] [2023-08-29 01:53:38,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704803370] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:38,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:38,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:53:38,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304942895] [2023-08-29 01:53:38,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:38,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:53:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:38,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:53:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:53:38,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1167 out of 2705 [2023-08-29 01:53:38,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 165 transitions, 339 flow. Second operand has 2 states, 2 states have (on average 1167.5) internal successors, (2335), 2 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:38,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:38,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1167 of 2705 [2023-08-29 01:53:38,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:39,181 INFO L130 PetriNetUnfolder]: 71/296 cut-off events. [2023-08-29 01:53:39,181 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 01:53:39,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 296 events. 71/296 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1228 event pairs, 60 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 365. Up to 148 conditions per place. [2023-08-29 01:53:39,184 INFO L137 encePairwiseOnDemand]: 2609/2705 looper letters, 39 selfloop transitions, 0 changer transitions 0/69 dead transitions. [2023-08-29 01:53:39,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 69 transitions, 225 flow [2023-08-29 01:53:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:53:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:53:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2469 transitions. [2023-08-29 01:53:39,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45637707948243994 [2023-08-29 01:53:39,207 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2469 transitions. [2023-08-29 01:53:39,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2469 transitions. [2023-08-29 01:53:39,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:39,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2469 transitions. [2023-08-29 01:53:39,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1234.5) internal successors, (2469), 2 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2705.0) internal successors, (8115), 3 states have internal predecessors, (8115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,267 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2705.0) internal successors, (8115), 3 states have internal predecessors, (8115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,268 INFO L175 Difference]: Start difference. First operand has 152 places, 165 transitions, 339 flow. Second operand 2 states and 2469 transitions. [2023-08-29 01:53:39,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 69 transitions, 225 flow [2023-08-29 01:53:39,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 69 transitions, 220 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:53:39,273 INFO L231 Difference]: Finished difference. Result has 63 places, 69 transitions, 142 flow [2023-08-29 01:53:39,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=142, PETRI_PLACES=63, PETRI_TRANSITIONS=69} [2023-08-29 01:53:39,277 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 01:53:39,277 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 69 transitions, 142 flow [2023-08-29 01:53:39,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1167.5) internal successors, (2335), 2 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:39,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:53:39,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:53:39,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:39,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 4497299, now seen corresponding path program 1 times [2023-08-29 01:53:39,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:39,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037624954] [2023-08-29 01:53:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:39,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:39,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037624954] [2023-08-29 01:53:39,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037624954] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:39,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:39,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:39,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765657340] [2023-08-29 01:53:39,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:39,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:39,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:39,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:39,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1148 out of 2705 [2023-08-29 01:53:39,597 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 69 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 1149.0) internal successors, (3447), 3 states have internal predecessors, (3447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:39,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1148 of 2705 [2023-08-29 01:53:39,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:39,923 INFO L130 PetriNetUnfolder]: 71/294 cut-off events. [2023-08-29 01:53:39,924 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:39,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 294 events. 71/294 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1215 event pairs, 60 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 456. Up to 145 conditions per place. [2023-08-29 01:53:39,925 INFO L137 encePairwiseOnDemand]: 2700/2705 looper letters, 36 selfloop transitions, 3 changer transitions 0/67 dead transitions. [2023-08-29 01:53:39,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 216 flow [2023-08-29 01:53:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3485 transitions. [2023-08-29 01:53:39,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42945163277880466 [2023-08-29 01:53:39,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3485 transitions. [2023-08-29 01:53:39,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3485 transitions. [2023-08-29 01:53:39,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:39,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3485 transitions. [2023-08-29 01:53:39,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1161.6666666666667) internal successors, (3485), 3 states have internal predecessors, (3485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,951 INFO L175 Difference]: Start difference. First operand has 63 places, 69 transitions, 142 flow. Second operand 3 states and 3485 transitions. [2023-08-29 01:53:39,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 216 flow [2023-08-29 01:53:39,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 216 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:39,952 INFO L231 Difference]: Finished difference. Result has 63 places, 67 transitions, 144 flow [2023-08-29 01:53:39,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=63, PETRI_TRANSITIONS=67} [2023-08-29 01:53:39,953 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 01:53:39,953 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 67 transitions, 144 flow [2023-08-29 01:53:39,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1149.0) internal successors, (3447), 3 states have internal predecessors, (3447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:39,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:39,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:39,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:53:39,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:39,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:39,956 INFO L85 PathProgramCache]: Analyzing trace with hash 206405681, now seen corresponding path program 1 times [2023-08-29 01:53:39,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:39,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478055670] [2023-08-29 01:53:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:39,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:40,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:40,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478055670] [2023-08-29 01:53:40,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478055670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:40,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:40,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341157200] [2023-08-29 01:53:40,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:40,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:40,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1163 out of 2705 [2023-08-29 01:53:40,176 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 67 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 1164.3333333333333) internal successors, (3493), 3 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:40,176 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:40,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1163 of 2705 [2023-08-29 01:53:40,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:40,404 INFO L130 PetriNetUnfolder]: 69/291 cut-off events. [2023-08-29 01:53:40,405 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:40,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 291 events. 69/291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1198 event pairs, 60 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 452. Up to 144 conditions per place. [2023-08-29 01:53:40,406 INFO L137 encePairwiseOnDemand]: 2702/2705 looper letters, 35 selfloop transitions, 1 changer transitions 0/64 dead transitions. [2023-08-29 01:53:40,406 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 64 transitions, 208 flow [2023-08-29 01:53:40,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3527 transitions. [2023-08-29 01:53:40,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4346272335181762 [2023-08-29 01:53:40,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3527 transitions. [2023-08-29 01:53:40,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3527 transitions. [2023-08-29 01:53:40,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:40,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3527 transitions. [2023-08-29 01:53:40,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1175.6666666666667) internal successors, (3527), 3 states have internal predecessors, (3527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:40,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:40,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:40,430 INFO L175 Difference]: Start difference. First operand has 63 places, 67 transitions, 144 flow. Second operand 3 states and 3527 transitions. [2023-08-29 01:53:40,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 64 transitions, 208 flow [2023-08-29 01:53:40,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:40,431 INFO L231 Difference]: Finished difference. Result has 63 places, 64 transitions, 136 flow [2023-08-29 01:53:40,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=63, PETRI_TRANSITIONS=64} [2023-08-29 01:53:40,432 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 01:53:40,432 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 64 transitions, 136 flow [2023-08-29 01:53:40,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1164.3333333333333) internal successors, (3493), 3 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:40,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:40,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:40,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:53:40,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:40,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:40,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1184595759, now seen corresponding path program 1 times [2023-08-29 01:53:40,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975767590] [2023-08-29 01:53:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:41,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975767590] [2023-08-29 01:53:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975767590] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:41,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:41,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881765592] [2023-08-29 01:53:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:41,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:41,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1144 out of 2705 [2023-08-29 01:53:41,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 64 transitions, 136 flow. Second operand has 6 states, 6 states have (on average 1145.6666666666667) internal successors, (6874), 6 states have internal predecessors, (6874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:41,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:41,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1144 of 2705 [2023-08-29 01:53:41,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:42,804 INFO L130 PetriNetUnfolder]: 169/518 cut-off events. [2023-08-29 01:53:42,804 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:42,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 518 events. 169/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2530 event pairs, 92 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 888. Up to 255 conditions per place. [2023-08-29 01:53:42,806 INFO L137 encePairwiseOnDemand]: 2696/2705 looper letters, 57 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2023-08-29 01:53:42,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 90 transitions, 338 flow [2023-08-29 01:53:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6936 transitions. [2023-08-29 01:53:42,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42735674676524954 [2023-08-29 01:53:42,817 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6936 transitions. [2023-08-29 01:53:42,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6936 transitions. [2023-08-29 01:53:42,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:42,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6936 transitions. [2023-08-29 01:53:42,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1156.0) internal successors, (6936), 6 states have internal predecessors, (6936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:42,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:42,850 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:42,851 INFO L175 Difference]: Start difference. First operand has 63 places, 64 transitions, 136 flow. Second operand 6 states and 6936 transitions. [2023-08-29 01:53:42,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 90 transitions, 338 flow [2023-08-29 01:53:42,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 90 transitions, 337 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:42,855 INFO L231 Difference]: Finished difference. Result has 72 places, 77 transitions, 233 flow [2023-08-29 01:53:42,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=233, PETRI_PLACES=72, PETRI_TRANSITIONS=77} [2023-08-29 01:53:42,857 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -80 predicate places. [2023-08-29 01:53:42,857 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 77 transitions, 233 flow [2023-08-29 01:53:42,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.6666666666667) internal successors, (6874), 6 states have internal predecessors, (6874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:42,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:42,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:42,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:53:42,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:42,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:42,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1848384416, now seen corresponding path program 1 times [2023-08-29 01:53:42,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:42,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608340991] [2023-08-29 01:53:42,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:43,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:43,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608340991] [2023-08-29 01:53:43,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608340991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:43,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:43,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145940284] [2023-08-29 01:53:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:43,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:43,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:43,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:43,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 01:53:43,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 77 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 1145.0) internal successors, (6870), 6 states have internal predecessors, (6870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:43,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:43,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 01:53:43,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:45,410 INFO L130 PetriNetUnfolder]: 854/1733 cut-off events. [2023-08-29 01:53:45,410 INFO L131 PetriNetUnfolder]: For 788/816 co-relation queries the response was YES. [2023-08-29 01:53:45,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 1733 events. 854/1733 cut-off events. For 788/816 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 9528 event pairs, 231 based on Foata normal form. 10/1665 useless extension candidates. Maximal degree in co-relation 4052. Up to 1043 conditions per place. [2023-08-29 01:53:45,419 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 85 selfloop transitions, 65 changer transitions 0/171 dead transitions. [2023-08-29 01:53:45,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 171 transitions, 914 flow [2023-08-29 01:53:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:45,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6959 transitions. [2023-08-29 01:53:45,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4287738755391251 [2023-08-29 01:53:45,431 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6959 transitions. [2023-08-29 01:53:45,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6959 transitions. [2023-08-29 01:53:45,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:45,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6959 transitions. [2023-08-29 01:53:45,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1159.8333333333333) internal successors, (6959), 6 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:45,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:45,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:45,461 INFO L175 Difference]: Start difference. First operand has 72 places, 77 transitions, 233 flow. Second operand 6 states and 6959 transitions. [2023-08-29 01:53:45,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 171 transitions, 914 flow [2023-08-29 01:53:45,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 171 transitions, 914 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:45,466 INFO L231 Difference]: Finished difference. Result has 82 places, 141 transitions, 829 flow [2023-08-29 01:53:45,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=829, PETRI_PLACES=82, PETRI_TRANSITIONS=141} [2023-08-29 01:53:45,468 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -70 predicate places. [2023-08-29 01:53:45,468 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 141 transitions, 829 flow [2023-08-29 01:53:45,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.0) internal successors, (6870), 6 states have internal predecessors, (6870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:45,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:45,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:45,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:53:45,470 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:45,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:45,470 INFO L85 PathProgramCache]: Analyzing trace with hash 719478758, now seen corresponding path program 1 times [2023-08-29 01:53:45,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820490474] [2023-08-29 01:53:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:46,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:46,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820490474] [2023-08-29 01:53:46,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820490474] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:46,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:46,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:53:46,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042046632] [2023-08-29 01:53:46,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:46,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:53:46,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:53:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:53:47,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1141 out of 2705 [2023-08-29 01:53:47,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 141 transitions, 829 flow. Second operand has 9 states, 9 states have (on average 1142.4444444444443) internal successors, (10282), 9 states have internal predecessors, (10282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:47,697 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:47,697 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1141 of 2705 [2023-08-29 01:53:47,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:49,561 INFO L130 PetriNetUnfolder]: 640/1410 cut-off events. [2023-08-29 01:53:49,561 INFO L131 PetriNetUnfolder]: For 2091/2230 co-relation queries the response was YES. [2023-08-29 01:53:49,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4459 conditions, 1410 events. 640/1410 cut-off events. For 2091/2230 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 8064 event pairs, 16 based on Foata normal form. 120/1496 useless extension candidates. Maximal degree in co-relation 4446. Up to 569 conditions per place. [2023-08-29 01:53:49,568 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 143 selfloop transitions, 19 changer transitions 0/185 dead transitions. [2023-08-29 01:53:49,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 185 transitions, 1417 flow [2023-08-29 01:53:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:53:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:53:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9198 transitions. [2023-08-29 01:53:49,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4250462107208872 [2023-08-29 01:53:49,580 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9198 transitions. [2023-08-29 01:53:49,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9198 transitions. [2023-08-29 01:53:49,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:49,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9198 transitions. [2023-08-29 01:53:49,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1149.75) internal successors, (9198), 8 states have internal predecessors, (9198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:49,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:49,612 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:49,612 INFO L175 Difference]: Start difference. First operand has 82 places, 141 transitions, 829 flow. Second operand 8 states and 9198 transitions. [2023-08-29 01:53:49,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 185 transitions, 1417 flow [2023-08-29 01:53:49,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 185 transitions, 1417 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:49,622 INFO L231 Difference]: Finished difference. Result has 88 places, 140 transitions, 863 flow [2023-08-29 01:53:49,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=863, PETRI_PLACES=88, PETRI_TRANSITIONS=140} [2023-08-29 01:53:49,624 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -64 predicate places. [2023-08-29 01:53:49,624 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 140 transitions, 863 flow [2023-08-29 01:53:49,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1142.4444444444443) internal successors, (10282), 9 states have internal predecessors, (10282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:49,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:49,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:49,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:53:49,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:49,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:49,628 INFO L85 PathProgramCache]: Analyzing trace with hash 773040963, now seen corresponding path program 1 times [2023-08-29 01:53:49,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:49,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113487850] [2023-08-29 01:53:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:49,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:50,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:50,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113487850] [2023-08-29 01:53:50,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113487850] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:50,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:50,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:53:50,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855140345] [2023-08-29 01:53:50,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:50,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:53:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:50,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:53:50,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:53:51,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2705 [2023-08-29 01:53:51,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 140 transitions, 863 flow. Second operand has 9 states, 9 states have (on average 1143.4444444444443) internal successors, (10291), 9 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:51,274 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:51,274 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2705 [2023-08-29 01:53:51,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:52,394 INFO L130 PetriNetUnfolder]: 909/1824 cut-off events. [2023-08-29 01:53:52,394 INFO L131 PetriNetUnfolder]: For 2138/2169 co-relation queries the response was YES. [2023-08-29 01:53:52,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 1824 events. 909/1824 cut-off events. For 2138/2169 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10009 event pairs, 212 based on Foata normal form. 53/1838 useless extension candidates. Maximal degree in co-relation 6034. Up to 662 conditions per place. [2023-08-29 01:53:52,403 INFO L137 encePairwiseOnDemand]: 2692/2705 looper letters, 143 selfloop transitions, 51 changer transitions 0/214 dead transitions. [2023-08-29 01:53:52,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 214 transitions, 1634 flow [2023-08-29 01:53:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:53:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:53:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9237 transitions. [2023-08-29 01:53:52,415 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684842883548985 [2023-08-29 01:53:52,415 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9237 transitions. [2023-08-29 01:53:52,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9237 transitions. [2023-08-29 01:53:52,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:52,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9237 transitions. [2023-08-29 01:53:52,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1154.625) internal successors, (9237), 8 states have internal predecessors, (9237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:52,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:52,436 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:52,436 INFO L175 Difference]: Start difference. First operand has 88 places, 140 transitions, 863 flow. Second operand 8 states and 9237 transitions. [2023-08-29 01:53:52,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 214 transitions, 1634 flow [2023-08-29 01:53:52,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 214 transitions, 1572 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 01:53:52,443 INFO L231 Difference]: Finished difference. Result has 93 places, 164 transitions, 1167 flow [2023-08-29 01:53:52,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1167, PETRI_PLACES=93, PETRI_TRANSITIONS=164} [2023-08-29 01:53:52,443 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -59 predicate places. [2023-08-29 01:53:52,443 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 164 transitions, 1167 flow [2023-08-29 01:53:52,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1143.4444444444443) internal successors, (10291), 9 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:52,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:52,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:52,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:53:52,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:52,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:52,446 INFO L85 PathProgramCache]: Analyzing trace with hash -554557697, now seen corresponding path program 1 times [2023-08-29 01:53:52,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:52,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13777909] [2023-08-29 01:53:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:52,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:52,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13777909] [2023-08-29 01:53:52,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13777909] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:52,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:52,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:52,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921600363] [2023-08-29 01:53:52,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:52,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:52,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:52,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:52,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:53,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1109 out of 2705 [2023-08-29 01:53:53,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 164 transitions, 1167 flow. Second operand has 6 states, 6 states have (on average 1111.6666666666667) internal successors, (6670), 6 states have internal predecessors, (6670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:53,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:53,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1109 of 2705 [2023-08-29 01:53:53,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:55,024 INFO L130 PetriNetUnfolder]: 1411/2597 cut-off events. [2023-08-29 01:53:55,024 INFO L131 PetriNetUnfolder]: For 5685/5713 co-relation queries the response was YES. [2023-08-29 01:53:55,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10182 conditions, 2597 events. 1411/2597 cut-off events. For 5685/5713 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 13614 event pairs, 549 based on Foata normal form. 0/2520 useless extension candidates. Maximal degree in co-relation 10163. Up to 2250 conditions per place. [2023-08-29 01:53:55,038 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 150 selfloop transitions, 57 changer transitions 0/215 dead transitions. [2023-08-29 01:53:55,038 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 215 transitions, 1887 flow [2023-08-29 01:53:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6752 transitions. [2023-08-29 01:53:55,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41601971657424525 [2023-08-29 01:53:55,047 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6752 transitions. [2023-08-29 01:53:55,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6752 transitions. [2023-08-29 01:53:55,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:55,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6752 transitions. [2023-08-29 01:53:55,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1125.3333333333333) internal successors, (6752), 6 states have internal predecessors, (6752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:55,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:55,063 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:55,064 INFO L175 Difference]: Start difference. First operand has 93 places, 164 transitions, 1167 flow. Second operand 6 states and 6752 transitions. [2023-08-29 01:53:55,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 215 transitions, 1887 flow [2023-08-29 01:53:55,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 215 transitions, 1851 flow, removed 16 selfloop flow, removed 2 redundant places. [2023-08-29 01:53:55,081 INFO L231 Difference]: Finished difference. Result has 100 places, 203 transitions, 1614 flow [2023-08-29 01:53:55,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1614, PETRI_PLACES=100, PETRI_TRANSITIONS=203} [2023-08-29 01:53:55,083 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -52 predicate places. [2023-08-29 01:53:55,083 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 203 transitions, 1614 flow [2023-08-29 01:53:55,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1111.6666666666667) internal successors, (6670), 6 states have internal predecessors, (6670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:55,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:55,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:55,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:53:55,086 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:55,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:55,087 INFO L85 PathProgramCache]: Analyzing trace with hash -338363414, now seen corresponding path program 1 times [2023-08-29 01:53:55,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:55,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917141839] [2023-08-29 01:53:55,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:55,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:56,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:56,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917141839] [2023-08-29 01:53:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917141839] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:56,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:56,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:53:56,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992970769] [2023-08-29 01:53:56,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:56,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:53:56,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:56,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:53:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:53:56,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1106 out of 2705 [2023-08-29 01:53:56,745 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 203 transitions, 1614 flow. Second operand has 9 states, 9 states have (on average 1108.111111111111) internal successors, (9973), 9 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:56,745 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:56,745 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1106 of 2705 [2023-08-29 01:53:56,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:58,404 INFO L130 PetriNetUnfolder]: 1456/2691 cut-off events. [2023-08-29 01:53:58,405 INFO L131 PetriNetUnfolder]: For 7804/7820 co-relation queries the response was YES. [2023-08-29 01:53:58,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11670 conditions, 2691 events. 1456/2691 cut-off events. For 7804/7820 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 14468 event pairs, 187 based on Foata normal form. 4/2614 useless extension candidates. Maximal degree in co-relation 11647. Up to 2119 conditions per place. [2023-08-29 01:53:58,420 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 192 selfloop transitions, 69 changer transitions 0/269 dead transitions. [2023-08-29 01:53:58,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 269 transitions, 2606 flow [2023-08-29 01:53:58,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:53:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:53:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8955 transitions. [2023-08-29 01:53:58,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4138170055452865 [2023-08-29 01:53:58,431 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8955 transitions. [2023-08-29 01:53:58,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8955 transitions. [2023-08-29 01:53:58,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:58,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8955 transitions. [2023-08-29 01:53:58,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1119.375) internal successors, (8955), 8 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:58,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:58,449 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:58,450 INFO L175 Difference]: Start difference. First operand has 100 places, 203 transitions, 1614 flow. Second operand 8 states and 8955 transitions. [2023-08-29 01:53:58,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 269 transitions, 2606 flow [2023-08-29 01:53:58,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 269 transitions, 2511 flow, removed 28 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:58,475 INFO L231 Difference]: Finished difference. Result has 110 places, 230 transitions, 1998 flow [2023-08-29 01:53:58,475 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1529, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1998, PETRI_PLACES=110, PETRI_TRANSITIONS=230} [2023-08-29 01:53:58,476 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -42 predicate places. [2023-08-29 01:53:58,476 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 230 transitions, 1998 flow [2023-08-29 01:53:58,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1108.111111111111) internal successors, (9973), 9 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:58,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:58,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:58,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:53:58,477 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:53:58,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:58,478 INFO L85 PathProgramCache]: Analyzing trace with hash -841912051, now seen corresponding path program 1 times [2023-08-29 01:53:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:58,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932850754] [2023-08-29 01:53:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:59,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:59,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932850754] [2023-08-29 01:53:59,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932850754] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:59,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:59,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:53:59,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413788351] [2023-08-29 01:53:59,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:59,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:53:59,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:59,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:53:59,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:54:00,470 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 01:54:00,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 230 transitions, 1998 flow. Second operand has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:00,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:00,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 01:54:00,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:04,480 INFO L130 PetriNetUnfolder]: 1212/2433 cut-off events. [2023-08-29 01:54:04,480 INFO L131 PetriNetUnfolder]: For 7617/7686 co-relation queries the response was YES. [2023-08-29 01:54:04,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11084 conditions, 2433 events. 1212/2433 cut-off events. For 7617/7686 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 14230 event pairs, 250 based on Foata normal form. 45/2416 useless extension candidates. Maximal degree in co-relation 11057. Up to 1525 conditions per place. [2023-08-29 01:54:04,498 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 165 selfloop transitions, 121 changer transitions 0/306 dead transitions. [2023-08-29 01:54:04,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 306 transitions, 3068 flow [2023-08-29 01:54:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:54:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:54:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10330 transitions. [2023-08-29 01:54:04,509 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42431710823577734 [2023-08-29 01:54:04,509 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10330 transitions. [2023-08-29 01:54:04,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10330 transitions. [2023-08-29 01:54:04,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:04,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10330 transitions. [2023-08-29 01:54:04,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1147.7777777777778) internal successors, (10330), 9 states have internal predecessors, (10330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:04,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:04,539 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:04,539 INFO L175 Difference]: Start difference. First operand has 110 places, 230 transitions, 1998 flow. Second operand 9 states and 10330 transitions. [2023-08-29 01:54:04,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 306 transitions, 3068 flow [2023-08-29 01:54:04,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 306 transitions, 3019 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-08-29 01:54:04,568 INFO L231 Difference]: Finished difference. Result has 120 places, 264 transitions, 2720 flow [2023-08-29 01:54:04,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1957, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2720, PETRI_PLACES=120, PETRI_TRANSITIONS=264} [2023-08-29 01:54:04,569 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -32 predicate places. [2023-08-29 01:54:04,569 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 264 transitions, 2720 flow [2023-08-29 01:54:04,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:04,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:04,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:04,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:54:04,571 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:04,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:04,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1528798903, now seen corresponding path program 2 times [2023-08-29 01:54:04,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:04,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662085672] [2023-08-29 01:54:04,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:04,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:05,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:05,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662085672] [2023-08-29 01:54:05,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662085672] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:05,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:05,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:54:05,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956652833] [2023-08-29 01:54:05,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:05,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:54:05,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:05,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:54:05,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:54:06,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1139 out of 2705 [2023-08-29 01:54:06,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 264 transitions, 2720 flow. Second operand has 10 states, 10 states have (on average 1140.6) internal successors, (11406), 10 states have internal predecessors, (11406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:06,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:06,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1139 of 2705 [2023-08-29 01:54:06,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:08,556 INFO L130 PetriNetUnfolder]: 1519/3129 cut-off events. [2023-08-29 01:54:08,557 INFO L131 PetriNetUnfolder]: For 13498/13595 co-relation queries the response was YES. [2023-08-29 01:54:08,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15538 conditions, 3129 events. 1519/3129 cut-off events. For 13498/13595 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 19692 event pairs, 68 based on Foata normal form. 80/3171 useless extension candidates. Maximal degree in co-relation 15508. Up to 1646 conditions per place. [2023-08-29 01:54:08,573 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 292 selfloop transitions, 157 changer transitions 0/469 dead transitions. [2023-08-29 01:54:08,573 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 469 transitions, 5655 flow [2023-08-29 01:54:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11500 transitions. [2023-08-29 01:54:08,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42513863216266173 [2023-08-29 01:54:08,594 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11500 transitions. [2023-08-29 01:54:08,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11500 transitions. [2023-08-29 01:54:08,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:08,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11500 transitions. [2023-08-29 01:54:08,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1150.0) internal successors, (11500), 10 states have internal predecessors, (11500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:08,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:08,615 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:08,615 INFO L175 Difference]: Start difference. First operand has 120 places, 264 transitions, 2720 flow. Second operand 10 states and 11500 transitions. [2023-08-29 01:54:08,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 469 transitions, 5655 flow [2023-08-29 01:54:08,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 469 transitions, 5542 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:54:08,659 INFO L231 Difference]: Finished difference. Result has 130 places, 391 transitions, 4787 flow [2023-08-29 01:54:08,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=2656, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4787, PETRI_PLACES=130, PETRI_TRANSITIONS=391} [2023-08-29 01:54:08,660 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -22 predicate places. [2023-08-29 01:54:08,660 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 391 transitions, 4787 flow [2023-08-29 01:54:08,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1140.6) internal successors, (11406), 10 states have internal predecessors, (11406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:08,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:08,661 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:08,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:54:08,662 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:08,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:08,662 INFO L85 PathProgramCache]: Analyzing trace with hash -923778605, now seen corresponding path program 3 times [2023-08-29 01:54:08,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:08,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396655521] [2023-08-29 01:54:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:08,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:09,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396655521] [2023-08-29 01:54:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396655521] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:09,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:09,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:54:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003626931] [2023-08-29 01:54:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:09,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:54:09,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:09,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:54:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:54:11,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 01:54:11,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 391 transitions, 4787 flow. Second operand has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:11,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:11,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 01:54:11,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:14,151 INFO L130 PetriNetUnfolder]: 1695/3565 cut-off events. [2023-08-29 01:54:14,152 INFO L131 PetriNetUnfolder]: For 23229/23431 co-relation queries the response was YES. [2023-08-29 01:54:14,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19911 conditions, 3565 events. 1695/3565 cut-off events. For 23229/23431 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 23525 event pairs, 141 based on Foata normal form. 118/3619 useless extension candidates. Maximal degree in co-relation 19875. Up to 2054 conditions per place. [2023-08-29 01:54:14,169 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 244 selfloop transitions, 264 changer transitions 0/528 dead transitions. [2023-08-29 01:54:14,169 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 528 transitions, 7268 flow [2023-08-29 01:54:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11477 transitions. [2023-08-29 01:54:14,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42428835489833644 [2023-08-29 01:54:14,176 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11477 transitions. [2023-08-29 01:54:14,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11477 transitions. [2023-08-29 01:54:14,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:14,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11477 transitions. [2023-08-29 01:54:14,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1147.7) internal successors, (11477), 10 states have internal predecessors, (11477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:14,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:14,195 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:14,195 INFO L175 Difference]: Start difference. First operand has 130 places, 391 transitions, 4787 flow. Second operand 10 states and 11477 transitions. [2023-08-29 01:54:14,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 528 transitions, 7268 flow [2023-08-29 01:54:14,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 528 transitions, 7192 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-29 01:54:14,265 INFO L231 Difference]: Finished difference. Result has 142 places, 475 transitions, 6955 flow [2023-08-29 01:54:14,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=4711, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6955, PETRI_PLACES=142, PETRI_TRANSITIONS=475} [2023-08-29 01:54:14,266 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -10 predicate places. [2023-08-29 01:54:14,266 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 475 transitions, 6955 flow [2023-08-29 01:54:14,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:14,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:14,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:14,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:54:14,268 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:14,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1803093758, now seen corresponding path program 1 times [2023-08-29 01:54:14,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:14,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543522721] [2023-08-29 01:54:14,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:14,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:14,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543522721] [2023-08-29 01:54:14,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543522721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:14,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:14,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:54:14,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468267440] [2023-08-29 01:54:14,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:14,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:54:14,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:14,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:54:14,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:54:15,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1104 out of 2705 [2023-08-29 01:54:15,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 475 transitions, 6955 flow. Second operand has 10 states, 10 states have (on average 1106.0) internal successors, (11060), 10 states have internal predecessors, (11060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:15,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:15,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1104 of 2705 [2023-08-29 01:54:15,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:18,425 INFO L130 PetriNetUnfolder]: 2407/4580 cut-off events. [2023-08-29 01:54:18,426 INFO L131 PetriNetUnfolder]: For 48934/49171 co-relation queries the response was YES. [2023-08-29 01:54:18,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29166 conditions, 4580 events. 2407/4580 cut-off events. For 48934/49171 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 28318 event pairs, 326 based on Foata normal form. 90/4570 useless extension candidates. Maximal degree in co-relation 29125. Up to 3460 conditions per place. [2023-08-29 01:54:18,454 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 373 selfloop transitions, 256 changer transitions 0/643 dead transitions. [2023-08-29 01:54:18,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 643 transitions, 10600 flow [2023-08-29 01:54:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:54:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:54:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10043 transitions. [2023-08-29 01:54:18,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41252823988498666 [2023-08-29 01:54:18,464 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10043 transitions. [2023-08-29 01:54:18,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10043 transitions. [2023-08-29 01:54:18,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:18,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10043 transitions. [2023-08-29 01:54:18,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1115.888888888889) internal successors, (10043), 9 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:18,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:18,482 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:18,482 INFO L175 Difference]: Start difference. First operand has 142 places, 475 transitions, 6955 flow. Second operand 9 states and 10043 transitions. [2023-08-29 01:54:18,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 643 transitions, 10600 flow [2023-08-29 01:54:18,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 643 transitions, 10466 flow, removed 39 selfloop flow, removed 3 redundant places. [2023-08-29 01:54:18,610 INFO L231 Difference]: Finished difference. Result has 151 places, 583 transitions, 9421 flow [2023-08-29 01:54:18,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=6844, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9421, PETRI_PLACES=151, PETRI_TRANSITIONS=583} [2023-08-29 01:54:18,611 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -1 predicate places. [2023-08-29 01:54:18,611 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 583 transitions, 9421 flow [2023-08-29 01:54:18,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1106.0) internal successors, (11060), 10 states have internal predecessors, (11060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:18,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:18,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:18,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:54:18,613 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:18,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:18,613 INFO L85 PathProgramCache]: Analyzing trace with hash -121280365, now seen corresponding path program 4 times [2023-08-29 01:54:18,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:18,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742414829] [2023-08-29 01:54:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:18,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:19,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742414829] [2023-08-29 01:54:19,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742414829] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:19,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:19,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:54:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691152918] [2023-08-29 01:54:19,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:19,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:54:19,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:19,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:54:19,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:54:21,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1136 out of 2705 [2023-08-29 01:54:21,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 583 transitions, 9421 flow. Second operand has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:21,100 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:21,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1136 of 2705 [2023-08-29 01:54:21,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:24,224 INFO L130 PetriNetUnfolder]: 2104/4383 cut-off events. [2023-08-29 01:54:24,224 INFO L131 PetriNetUnfolder]: For 45599/45841 co-relation queries the response was YES. [2023-08-29 01:54:24,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29747 conditions, 4383 events. 2104/4383 cut-off events. For 45599/45841 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 30135 event pairs, 136 based on Foata normal form. 124/4430 useless extension candidates. Maximal degree in co-relation 29702. Up to 2403 conditions per place. [2023-08-29 01:54:24,280 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 315 selfloop transitions, 483 changer transitions 0/818 dead transitions. [2023-08-29 01:54:24,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 818 transitions, 14742 flow [2023-08-29 01:54:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11489 transitions. [2023-08-29 01:54:24,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42473197781885397 [2023-08-29 01:54:24,302 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11489 transitions. [2023-08-29 01:54:24,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11489 transitions. [2023-08-29 01:54:24,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:24,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11489 transitions. [2023-08-29 01:54:24,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1148.9) internal successors, (11489), 10 states have internal predecessors, (11489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:24,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:24,321 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:24,321 INFO L175 Difference]: Start difference. First operand has 151 places, 583 transitions, 9421 flow. Second operand 10 states and 11489 transitions. [2023-08-29 01:54:24,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 818 transitions, 14742 flow [2023-08-29 01:54:24,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 818 transitions, 14470 flow, removed 130 selfloop flow, removed 3 redundant places. [2023-08-29 01:54:24,465 INFO L231 Difference]: Finished difference. Result has 163 places, 752 transitions, 14339 flow [2023-08-29 01:54:24,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=9227, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=14339, PETRI_PLACES=163, PETRI_TRANSITIONS=752} [2023-08-29 01:54:24,466 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 11 predicate places. [2023-08-29 01:54:24,466 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 752 transitions, 14339 flow [2023-08-29 01:54:24,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:24,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:24,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:24,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:54:24,468 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:24,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash -202450773, now seen corresponding path program 5 times [2023-08-29 01:54:24,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270020269] [2023-08-29 01:54:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:25,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:25,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270020269] [2023-08-29 01:54:25,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270020269] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:25,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:25,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:54:25,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130174341] [2023-08-29 01:54:25,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:25,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:54:25,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:25,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:54:25,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:54:26,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1136 out of 2705 [2023-08-29 01:54:26,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 752 transitions, 14339 flow. Second operand has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:26,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:26,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1136 of 2705 [2023-08-29 01:54:26,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:30,630 INFO L130 PetriNetUnfolder]: 2250/4764 cut-off events. [2023-08-29 01:54:30,630 INFO L131 PetriNetUnfolder]: For 66129/66388 co-relation queries the response was YES. [2023-08-29 01:54:30,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35371 conditions, 4764 events. 2250/4764 cut-off events. For 66129/66388 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 33851 event pairs, 154 based on Foata normal form. 126/4800 useless extension candidates. Maximal degree in co-relation 35320. Up to 2398 conditions per place. [2023-08-29 01:54:30,670 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 341 selfloop transitions, 603 changer transitions 0/964 dead transitions. [2023-08-29 01:54:30,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 964 transitions, 19696 flow [2023-08-29 01:54:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11490 transitions. [2023-08-29 01:54:30,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4247689463955638 [2023-08-29 01:54:30,678 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11490 transitions. [2023-08-29 01:54:30,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11490 transitions. [2023-08-29 01:54:30,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:30,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11490 transitions. [2023-08-29 01:54:30,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1149.0) internal successors, (11490), 10 states have internal predecessors, (11490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:30,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:30,772 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:30,772 INFO L175 Difference]: Start difference. First operand has 163 places, 752 transitions, 14339 flow. Second operand 10 states and 11490 transitions. [2023-08-29 01:54:30,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 964 transitions, 19696 flow [2023-08-29 01:54:31,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 964 transitions, 19159 flow, removed 238 selfloop flow, removed 4 redundant places. [2023-08-29 01:54:31,016 INFO L231 Difference]: Finished difference. Result has 175 places, 893 transitions, 19161 flow [2023-08-29 01:54:31,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=13934, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=476, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19161, PETRI_PLACES=175, PETRI_TRANSITIONS=893} [2023-08-29 01:54:31,017 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 23 predicate places. [2023-08-29 01:54:31,017 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 893 transitions, 19161 flow [2023-08-29 01:54:31,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:31,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:31,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:31,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:54:31,019 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:31,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash 132775094, now seen corresponding path program 1 times [2023-08-29 01:54:31,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:31,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873480169] [2023-08-29 01:54:31,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:32,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:32,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873480169] [2023-08-29 01:54:32,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873480169] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:32,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:32,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:54:32,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987586306] [2023-08-29 01:54:32,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:32,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:54:32,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:32,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:54:32,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:54:33,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 01:54:33,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 893 transitions, 19161 flow. Second operand has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:33,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:33,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 01:54:33,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:38,387 INFO L130 PetriNetUnfolder]: 2940/6250 cut-off events. [2023-08-29 01:54:38,387 INFO L131 PetriNetUnfolder]: For 98769/99001 co-relation queries the response was YES. [2023-08-29 01:54:38,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48455 conditions, 6250 events. 2940/6250 cut-off events. For 98769/99001 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 47344 event pairs, 158 based on Foata normal form. 135/6281 useless extension candidates. Maximal degree in co-relation 48398. Up to 2565 conditions per place. [2023-08-29 01:54:38,439 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 1006 selfloop transitions, 155 changer transitions 0/1181 dead transitions. [2023-08-29 01:54:38,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1181 transitions, 25481 flow [2023-08-29 01:54:38,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11481 transitions. [2023-08-29 01:54:38,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244362292051756 [2023-08-29 01:54:38,447 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11481 transitions. [2023-08-29 01:54:38,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11481 transitions. [2023-08-29 01:54:38,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:38,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11481 transitions. [2023-08-29 01:54:38,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1148.1) internal successors, (11481), 10 states have internal predecessors, (11481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:38,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:38,466 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:38,467 INFO L175 Difference]: Start difference. First operand has 175 places, 893 transitions, 19161 flow. Second operand 10 states and 11481 transitions. [2023-08-29 01:54:38,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1181 transitions, 25481 flow [2023-08-29 01:54:38,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 1181 transitions, 25023 flow, removed 227 selfloop flow, removed 2 redundant places. [2023-08-29 01:54:38,921 INFO L231 Difference]: Finished difference. Result has 188 places, 962 transitions, 20651 flow [2023-08-29 01:54:38,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=18779, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=746, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=20651, PETRI_PLACES=188, PETRI_TRANSITIONS=962} [2023-08-29 01:54:38,922 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 36 predicate places. [2023-08-29 01:54:38,922 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 962 transitions, 20651 flow [2023-08-29 01:54:38,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:38,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:38,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:38,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:54:38,924 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:38,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1713263402, now seen corresponding path program 2 times [2023-08-29 01:54:38,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:38,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864961579] [2023-08-29 01:54:38,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:38,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864961579] [2023-08-29 01:54:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864961579] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:40,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:54:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046408448] [2023-08-29 01:54:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:40,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:54:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:54:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:54:41,765 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 01:54:41,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 962 transitions, 20651 flow. Second operand has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:41,769 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:41,769 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 01:54:41,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:45,751 INFO L130 PetriNetUnfolder]: 2890/6154 cut-off events. [2023-08-29 01:54:45,751 INFO L131 PetriNetUnfolder]: For 105722/105924 co-relation queries the response was YES. [2023-08-29 01:54:45,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49000 conditions, 6154 events. 2890/6154 cut-off events. For 105722/105924 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 46374 event pairs, 90 based on Foata normal form. 108/6168 useless extension candidates. Maximal degree in co-relation 48937. Up to 2522 conditions per place. [2023-08-29 01:54:45,801 INFO L137 encePairwiseOnDemand]: 2695/2705 looper letters, 1023 selfloop transitions, 81 changer transitions 0/1124 dead transitions. [2023-08-29 01:54:45,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 1124 transitions, 24719 flow [2023-08-29 01:54:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:54:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:54:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11448 transitions. [2023-08-29 01:54:45,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4232162661737523 [2023-08-29 01:54:45,808 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11448 transitions. [2023-08-29 01:54:45,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11448 transitions. [2023-08-29 01:54:45,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:45,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11448 transitions. [2023-08-29 01:54:45,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1144.8) internal successors, (11448), 10 states have internal predecessors, (11448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:45,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:45,825 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:45,825 INFO L175 Difference]: Start difference. First operand has 188 places, 962 transitions, 20651 flow. Second operand 10 states and 11448 transitions. [2023-08-29 01:54:45,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 1124 transitions, 24719 flow [2023-08-29 01:54:46,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 1124 transitions, 24631 flow, removed 42 selfloop flow, removed 2 redundant places. [2023-08-29 01:54:46,299 INFO L231 Difference]: Finished difference. Result has 199 places, 983 transitions, 21159 flow [2023-08-29 01:54:46,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=20563, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21159, PETRI_PLACES=199, PETRI_TRANSITIONS=983} [2023-08-29 01:54:46,301 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 47 predicate places. [2023-08-29 01:54:46,301 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 983 transitions, 21159 flow [2023-08-29 01:54:46,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:46,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:46,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:46,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:54:46,303 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:46,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1651015171, now seen corresponding path program 1 times [2023-08-29 01:54:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:46,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583187729] [2023-08-29 01:54:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:47,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583187729] [2023-08-29 01:54:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583187729] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:54:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172520059] [2023-08-29 01:54:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:47,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:54:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:47,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:54:47,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:54:48,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2705 [2023-08-29 01:54:48,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 983 transitions, 21159 flow. Second operand has 11 states, 11 states have (on average 1104.909090909091) internal successors, (12154), 11 states have internal predecessors, (12154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:48,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:48,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2705 [2023-08-29 01:54:48,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:52,225 INFO L130 PetriNetUnfolder]: 3663/7156 cut-off events. [2023-08-29 01:54:52,226 INFO L131 PetriNetUnfolder]: For 159215/159595 co-relation queries the response was YES. [2023-08-29 01:54:52,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59697 conditions, 7156 events. 3663/7156 cut-off events. For 159215/159595 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 49864 event pairs, 424 based on Foata normal form. 138/7232 useless extension candidates. Maximal degree in co-relation 59630. Up to 4160 conditions per place. [2023-08-29 01:54:52,291 INFO L137 encePairwiseOnDemand]: 2695/2705 looper letters, 920 selfloop transitions, 163 changer transitions 0/1105 dead transitions. [2023-08-29 01:54:52,291 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 1105 transitions, 25385 flow [2023-08-29 01:54:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:54:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:54:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10029 transitions. [2023-08-29 01:54:52,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4119531731361676 [2023-08-29 01:54:52,303 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10029 transitions. [2023-08-29 01:54:52,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10029 transitions. [2023-08-29 01:54:52,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:52,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10029 transitions. [2023-08-29 01:54:52,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1114.3333333333333) internal successors, (10029), 9 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:52,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:52,318 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:52,319 INFO L175 Difference]: Start difference. First operand has 199 places, 983 transitions, 21159 flow. Second operand 9 states and 10029 transitions. [2023-08-29 01:54:52,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 1105 transitions, 25385 flow [2023-08-29 01:54:53,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 1105 transitions, 25169 flow, removed 106 selfloop flow, removed 2 redundant places. [2023-08-29 01:54:53,103 INFO L231 Difference]: Finished difference. Result has 204 places, 982 transitions, 21355 flow [2023-08-29 01:54:53,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21029, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21355, PETRI_PLACES=204, PETRI_TRANSITIONS=982} [2023-08-29 01:54:53,105 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 52 predicate places. [2023-08-29 01:54:53,105 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 982 transitions, 21355 flow [2023-08-29 01:54:53,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1104.909090909091) internal successors, (12154), 11 states have internal predecessors, (12154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:53,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:53,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:53,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:54:53,107 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:54:53,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:53,107 INFO L85 PathProgramCache]: Analyzing trace with hash 563717360, now seen corresponding path program 3 times [2023-08-29 01:54:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420516439] [2023-08-29 01:54:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:54,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:54,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420516439] [2023-08-29 01:54:54,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420516439] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:54:54,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:54:54,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:54:54,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993858119] [2023-08-29 01:54:54,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:54:54,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:54:54,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:54,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:54:54,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:54:55,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 01:54:55,802 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 982 transitions, 21355 flow. Second operand has 12 states, 12 states have (on average 1135.4166666666667) internal successors, (13625), 12 states have internal predecessors, (13625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:55,802 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:55,802 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 01:54:55,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:54:59,914 INFO L130 PetriNetUnfolder]: 2995/6495 cut-off events. [2023-08-29 01:54:59,914 INFO L131 PetriNetUnfolder]: For 130082/130262 co-relation queries the response was YES. [2023-08-29 01:54:59,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53960 conditions, 6495 events. 2995/6495 cut-off events. For 130082/130262 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 50330 event pairs, 133 based on Foata normal form. 134/6535 useless extension candidates. Maximal degree in co-relation 53893. Up to 2809 conditions per place. [2023-08-29 01:54:59,976 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 901 selfloop transitions, 175 changer transitions 0/1095 dead transitions. [2023-08-29 01:54:59,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1095 transitions, 25111 flow [2023-08-29 01:54:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:54:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:54:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10321 transitions. [2023-08-29 01:54:59,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4239474224686794 [2023-08-29 01:54:59,982 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10321 transitions. [2023-08-29 01:54:59,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10321 transitions. [2023-08-29 01:54:59,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:59,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10321 transitions. [2023-08-29 01:54:59,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1146.7777777777778) internal successors, (10321), 9 states have internal predecessors, (10321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:59,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:59,999 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:00,000 INFO L175 Difference]: Start difference. First operand has 204 places, 982 transitions, 21355 flow. Second operand 9 states and 10321 transitions. [2023-08-29 01:55:00,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1095 transitions, 25111 flow [2023-08-29 01:55:00,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 1095 transitions, 24804 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 01:55:00,595 INFO L231 Difference]: Finished difference. Result has 208 places, 997 transitions, 22189 flow [2023-08-29 01:55:00,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21107, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=22189, PETRI_PLACES=208, PETRI_TRANSITIONS=997} [2023-08-29 01:55:00,596 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 56 predicate places. [2023-08-29 01:55:00,596 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 997 transitions, 22189 flow [2023-08-29 01:55:00,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.4166666666667) internal successors, (13625), 12 states have internal predecessors, (13625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:00,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:00,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:00,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 01:55:00,598 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:00,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2016790490, now seen corresponding path program 4 times [2023-08-29 01:55:00,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:00,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893505249] [2023-08-29 01:55:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:00,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:01,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:01,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893505249] [2023-08-29 01:55:01,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893505249] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:01,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:01,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:55:01,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853610011] [2023-08-29 01:55:01,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:01,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:55:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:55:01,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:55:03,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 01:55:03,808 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 997 transitions, 22189 flow. Second operand has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:03,808 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:03,808 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 01:55:03,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:10,716 INFO L130 PetriNetUnfolder]: 3235/7123 cut-off events. [2023-08-29 01:55:10,717 INFO L131 PetriNetUnfolder]: For 152203/152386 co-relation queries the response was YES. [2023-08-29 01:55:10,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59408 conditions, 7123 events. 3235/7123 cut-off events. For 152203/152386 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 56884 event pairs, 143 based on Foata normal form. 133/7129 useless extension candidates. Maximal degree in co-relation 59338. Up to 2955 conditions per place. [2023-08-29 01:55:10,778 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 1008 selfloop transitions, 189 changer transitions 0/1216 dead transitions. [2023-08-29 01:55:10,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 1216 transitions, 27953 flow [2023-08-29 01:55:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:55:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:55:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11479 transitions. [2023-08-29 01:55:10,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.424362292051756 [2023-08-29 01:55:10,784 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11479 transitions. [2023-08-29 01:55:10,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11479 transitions. [2023-08-29 01:55:10,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:10,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11479 transitions. [2023-08-29 01:55:10,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1147.9) internal successors, (11479), 10 states have internal predecessors, (11479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:10,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:10,801 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:10,801 INFO L175 Difference]: Start difference. First operand has 208 places, 997 transitions, 22189 flow. Second operand 10 states and 11479 transitions. [2023-08-29 01:55:10,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 1216 transitions, 27953 flow [2023-08-29 01:55:11,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 1216 transitions, 27371 flow, removed 16 selfloop flow, removed 5 redundant places. [2023-08-29 01:55:11,481 INFO L231 Difference]: Finished difference. Result has 217 places, 1039 transitions, 23446 flow [2023-08-29 01:55:11,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21648, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=997, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23446, PETRI_PLACES=217, PETRI_TRANSITIONS=1039} [2023-08-29 01:55:11,482 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 65 predicate places. [2023-08-29 01:55:11,482 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 1039 transitions, 23446 flow [2023-08-29 01:55:11,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:11,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:11,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:11,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 01:55:11,484 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:11,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:11,484 INFO L85 PathProgramCache]: Analyzing trace with hash 451031536, now seen corresponding path program 5 times [2023-08-29 01:55:11,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:11,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053218674] [2023-08-29 01:55:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:12,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:12,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053218674] [2023-08-29 01:55:12,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053218674] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:12,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:12,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:55:12,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389728546] [2023-08-29 01:55:12,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:12,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:55:12,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:12,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:55:12,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:55:14,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 01:55:14,345 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 1039 transitions, 23446 flow. Second operand has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:14,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:14,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 01:55:14,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:19,528 INFO L130 PetriNetUnfolder]: 3258/7394 cut-off events. [2023-08-29 01:55:19,529 INFO L131 PetriNetUnfolder]: For 166836/167023 co-relation queries the response was YES. [2023-08-29 01:55:19,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61867 conditions, 7394 events. 3258/7394 cut-off events. For 166836/167023 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 60957 event pairs, 166 based on Foata normal form. 153/7432 useless extension candidates. Maximal degree in co-relation 61792. Up to 3084 conditions per place. [2023-08-29 01:55:19,614 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 967 selfloop transitions, 213 changer transitions 0/1199 dead transitions. [2023-08-29 01:55:19,615 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 1199 transitions, 28170 flow [2023-08-29 01:55:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:55:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:55:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11466 transitions. [2023-08-29 01:55:19,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4238817005545287 [2023-08-29 01:55:19,621 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11466 transitions. [2023-08-29 01:55:19,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11466 transitions. [2023-08-29 01:55:19,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:19,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11466 transitions. [2023-08-29 01:55:19,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1146.6) internal successors, (11466), 10 states have internal predecessors, (11466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:19,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:19,640 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:19,640 INFO L175 Difference]: Start difference. First operand has 217 places, 1039 transitions, 23446 flow. Second operand 10 states and 11466 transitions. [2023-08-29 01:55:19,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 1199 transitions, 28170 flow [2023-08-29 01:55:20,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 1199 transitions, 27744 flow, removed 70 selfloop flow, removed 8 redundant places. [2023-08-29 01:55:20,524 INFO L231 Difference]: Finished difference. Result has 219 places, 1064 transitions, 24467 flow [2023-08-29 01:55:20,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=23021, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1038, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24467, PETRI_PLACES=219, PETRI_TRANSITIONS=1064} [2023-08-29 01:55:20,525 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 67 predicate places. [2023-08-29 01:55:20,526 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 1064 transitions, 24467 flow [2023-08-29 01:55:20,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:20,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:20,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:20,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 01:55:20,527 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:20,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:20,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1364175614, now seen corresponding path program 1 times [2023-08-29 01:55:20,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:20,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091670502] [2023-08-29 01:55:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:20,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:20,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:20,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091670502] [2023-08-29 01:55:20,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091670502] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:20,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:20,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:55:20,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912489829] [2023-08-29 01:55:20,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:20,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:55:20,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:55:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:55:21,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 01:55:21,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 1064 transitions, 24467 flow. Second operand has 6 states, 6 states have (on average 1145.8333333333333) internal successors, (6875), 6 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:21,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:21,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 01:55:21,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:25,355 INFO L130 PetriNetUnfolder]: 3584/8073 cut-off events. [2023-08-29 01:55:25,355 INFO L131 PetriNetUnfolder]: For 201619/202524 co-relation queries the response was YES. [2023-08-29 01:55:25,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67920 conditions, 8073 events. 3584/8073 cut-off events. For 201619/202524 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 67246 event pairs, 116 based on Foata normal form. 323/8221 useless extension candidates. Maximal degree in co-relation 67848. Up to 4726 conditions per place. [2023-08-29 01:55:25,443 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 884 selfloop transitions, 229 changer transitions 0/1307 dead transitions. [2023-08-29 01:55:25,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 1307 transitions, 31844 flow [2023-08-29 01:55:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:55:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:55:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6931 transitions. [2023-08-29 01:55:25,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4270486752926679 [2023-08-29 01:55:25,447 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6931 transitions. [2023-08-29 01:55:25,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6931 transitions. [2023-08-29 01:55:25,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:25,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6931 transitions. [2023-08-29 01:55:25,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1155.1666666666667) internal successors, (6931), 6 states have internal predecessors, (6931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:25,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:25,459 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:25,459 INFO L175 Difference]: Start difference. First operand has 219 places, 1064 transitions, 24467 flow. Second operand 6 states and 6931 transitions. [2023-08-29 01:55:25,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 1307 transitions, 31844 flow [2023-08-29 01:55:26,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 1307 transitions, 31445 flow, removed 107 selfloop flow, removed 5 redundant places. [2023-08-29 01:55:26,523 INFO L231 Difference]: Finished difference. Result has 224 places, 1292 transitions, 30218 flow [2023-08-29 01:55:26,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=24068, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=30218, PETRI_PLACES=224, PETRI_TRANSITIONS=1292} [2023-08-29 01:55:26,525 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 72 predicate places. [2023-08-29 01:55:26,525 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 1292 transitions, 30218 flow [2023-08-29 01:55:26,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.8333333333333) internal successors, (6875), 6 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:26,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:26,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:26,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 01:55:26,526 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:26,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:26,526 INFO L85 PathProgramCache]: Analyzing trace with hash -580660317, now seen corresponding path program 1 times [2023-08-29 01:55:26,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:26,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235862871] [2023-08-29 01:55:26,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:27,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:27,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235862871] [2023-08-29 01:55:27,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235862871] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:27,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:27,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:55:27,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787454632] [2023-08-29 01:55:27,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:27,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:55:27,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:27,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:55:27,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:55:28,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1140 out of 2705 [2023-08-29 01:55:28,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 1292 transitions, 30218 flow. Second operand has 9 states, 9 states have (on average 1142.2222222222222) internal successors, (10280), 9 states have internal predecessors, (10280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:28,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:28,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1140 of 2705 [2023-08-29 01:55:28,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:32,477 INFO L130 PetriNetUnfolder]: 3583/8153 cut-off events. [2023-08-29 01:55:32,477 INFO L131 PetriNetUnfolder]: For 212280/213388 co-relation queries the response was YES. [2023-08-29 01:55:32,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70540 conditions, 8153 events. 3583/8153 cut-off events. For 212280/213388 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 68202 event pairs, 144 based on Foata normal form. 467/8508 useless extension candidates. Maximal degree in co-relation 70464. Up to 3716 conditions per place. [2023-08-29 01:55:32,565 INFO L137 encePairwiseOnDemand]: 2698/2705 looper letters, 1117 selfloop transitions, 19 changer transitions 0/1330 dead transitions. [2023-08-29 01:55:32,565 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 1330 transitions, 33174 flow [2023-08-29 01:55:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:55:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:55:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9190 transitions. [2023-08-29 01:55:32,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42467652495378927 [2023-08-29 01:55:32,571 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9190 transitions. [2023-08-29 01:55:32,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9190 transitions. [2023-08-29 01:55:32,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:32,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9190 transitions. [2023-08-29 01:55:32,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1148.75) internal successors, (9190), 8 states have internal predecessors, (9190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:32,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:32,584 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:32,584 INFO L175 Difference]: Start difference. First operand has 224 places, 1292 transitions, 30218 flow. Second operand 8 states and 9190 transitions. [2023-08-29 01:55:32,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 1330 transitions, 33174 flow [2023-08-29 01:55:33,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 1330 transitions, 32284 flow, removed 416 selfloop flow, removed 1 redundant places. [2023-08-29 01:55:33,498 INFO L231 Difference]: Finished difference. Result has 229 places, 1291 transitions, 29362 flow [2023-08-29 01:55:33,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=29324, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29362, PETRI_PLACES=229, PETRI_TRANSITIONS=1291} [2023-08-29 01:55:33,500 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 77 predicate places. [2023-08-29 01:55:33,500 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 1291 transitions, 29362 flow [2023-08-29 01:55:33,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1142.2222222222222) internal successors, (10280), 9 states have internal predecessors, (10280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:33,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:33,501 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:33,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 01:55:33,501 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:33,502 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:33,502 INFO L85 PathProgramCache]: Analyzing trace with hash -892320409, now seen corresponding path program 1 times [2023-08-29 01:55:33,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:33,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584074045] [2023-08-29 01:55:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:33,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:34,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:34,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584074045] [2023-08-29 01:55:34,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584074045] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:34,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:55:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223292837] [2023-08-29 01:55:34,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:34,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:55:34,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:34,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:55:34,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:55:34,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 01:55:34,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 1291 transitions, 29362 flow. Second operand has 6 states, 6 states have (on average 1147.0) internal successors, (6882), 6 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:34,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:34,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 01:55:34,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:38,524 INFO L130 PetriNetUnfolder]: 3853/8418 cut-off events. [2023-08-29 01:55:38,524 INFO L131 PetriNetUnfolder]: For 217449/218288 co-relation queries the response was YES. [2023-08-29 01:55:38,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73114 conditions, 8418 events. 3853/8418 cut-off events. For 217449/218288 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 68455 event pairs, 225 based on Foata normal form. 267/8627 useless extension candidates. Maximal degree in co-relation 73038. Up to 5328 conditions per place. [2023-08-29 01:55:38,604 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 692 selfloop transitions, 96 changer transitions 404/1387 dead transitions. [2023-08-29 01:55:38,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 1387 transitions, 34166 flow [2023-08-29 01:55:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:55:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:55:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6917 transitions. [2023-08-29 01:55:38,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4261860751694393 [2023-08-29 01:55:38,609 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6917 transitions. [2023-08-29 01:55:38,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6917 transitions. [2023-08-29 01:55:38,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:38,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6917 transitions. [2023-08-29 01:55:38,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1152.8333333333333) internal successors, (6917), 6 states have internal predecessors, (6917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:38,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:38,620 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:38,620 INFO L175 Difference]: Start difference. First operand has 229 places, 1291 transitions, 29362 flow. Second operand 6 states and 6917 transitions. [2023-08-29 01:55:38,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 1387 transitions, 34166 flow [2023-08-29 01:55:39,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 1387 transitions, 34130 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 01:55:39,668 INFO L231 Difference]: Finished difference. Result has 232 places, 983 transitions, 22827 flow [2023-08-29 01:55:39,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=29326, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=22827, PETRI_PLACES=232, PETRI_TRANSITIONS=983} [2023-08-29 01:55:39,669 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 80 predicate places. [2023-08-29 01:55:39,669 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 983 transitions, 22827 flow [2023-08-29 01:55:39,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1147.0) internal successors, (6882), 6 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:39,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:55:39,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:39,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 01:55:39,670 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 01:55:39,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:55:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash -151205380, now seen corresponding path program 1 times [2023-08-29 01:55:39,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:55:39,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833955971] [2023-08-29 01:55:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:55:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:55:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:55:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:55:40,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:55:40,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833955971] [2023-08-29 01:55:40,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833955971] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:55:40,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:55:40,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:55:40,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136860975] [2023-08-29 01:55:40,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:55:40,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:55:40,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:55:40,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:55:40,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:55:41,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2705 [2023-08-29 01:55:41,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 983 transitions, 22827 flow. Second operand has 9 states, 9 states have (on average 1144.7777777777778) internal successors, (10303), 9 states have internal predecessors, (10303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:41,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:55:41,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2705 [2023-08-29 01:55:41,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:55:45,657 INFO L130 PetriNetUnfolder]: 2660/6731 cut-off events. [2023-08-29 01:55:45,657 INFO L131 PetriNetUnfolder]: For 174507/175122 co-relation queries the response was YES. [2023-08-29 01:55:45,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59465 conditions, 6731 events. 2660/6731 cut-off events. For 174507/175122 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 59746 event pairs, 265 based on Foata normal form. 209/6889 useless extension candidates. Maximal degree in co-relation 59385. Up to 3878 conditions per place. [2023-08-29 01:55:45,720 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 0 selfloop transitions, 0 changer transitions 986/986 dead transitions. [2023-08-29 01:55:45,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 986 transitions, 24485 flow [2023-08-29 01:55:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:55:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:55:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9189 transitions. [2023-08-29 01:55:45,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42463031423290204 [2023-08-29 01:55:45,726 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9189 transitions. [2023-08-29 01:55:45,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9189 transitions. [2023-08-29 01:55:45,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:55:45,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9189 transitions. [2023-08-29 01:55:45,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1148.625) internal successors, (9189), 8 states have internal predecessors, (9189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:45,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:45,740 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:45,740 INFO L175 Difference]: Start difference. First operand has 232 places, 983 transitions, 22827 flow. Second operand 8 states and 9189 transitions. [2023-08-29 01:55:45,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 986 transitions, 24485 flow [2023-08-29 01:55:46,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 986 transitions, 24245 flow, removed 108 selfloop flow, removed 1 redundant places. [2023-08-29 01:55:46,748 INFO L231 Difference]: Finished difference. Result has 236 places, 0 transitions, 0 flow [2023-08-29 01:55:46,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=22583, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=236, PETRI_TRANSITIONS=0} [2023-08-29 01:55:46,748 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 84 predicate places. [2023-08-29 01:55:46,749 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 0 transitions, 0 flow [2023-08-29 01:55:46,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1144.7777777777778) internal successors, (10303), 9 states have internal predecessors, (10303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:55:46,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-08-29 01:55:46,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-08-29 01:55:46,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-08-29 01:55:46,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-08-29 01:55:46,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-08-29 01:55:46,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-08-29 01:55:46,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-08-29 01:55:46,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-08-29 01:55:46,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-08-29 01:55:46,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-08-29 01:55:46,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-08-29 01:55:46,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-08-29 01:55:46,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-08-29 01:55:46,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (49 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (48 of 119 remaining) [2023-08-29 01:55:46,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-08-29 01:55:46,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-08-29 01:55:46,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-08-29 01:55:46,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-08-29 01:55:46,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-08-29 01:55:46,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-08-29 01:55:46,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-08-29 01:55:46,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-08-29 01:55:46,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-08-29 01:55:46,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 01:55:46,767 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:55:46,771 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:55:46,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:55:46,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:55:46 BasicIcfg [2023-08-29 01:55:46,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:55:46,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:55:46,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:55:46,774 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:55:46,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:44:32" (3/4) ... [2023-08-29 01:55:46,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:55:46,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:55:46,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 01:55:46,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 01:55:46,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 01:55:46,795 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 01:55:46,796 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:55:46,855 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:55:46,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:55:46,855 INFO L158 Benchmark]: Toolchain (without parser) took 679720.37ms. Allocated memory was 60.8MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 27.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 398.8MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,855 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:55:46,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3942.17ms. Allocated memory was 60.8MB in the beginning and 134.2MB in the end (delta: 73.4MB). Free memory was 26.9MB in the beginning and 42.8MB in the end (delta: -15.9MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.31ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 42.8MB in the beginning and 83.4MB in the end (delta: -40.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,856 INFO L158 Benchmark]: Boogie Preprocessor took 103.08ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 76.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,856 INFO L158 Benchmark]: RCFGBuilder took 1555.53ms. Allocated memory was 161.5MB in the beginning and 323.0MB in the end (delta: 161.5MB). Free memory was 76.1MB in the beginning and 239.2MB in the end (delta: -163.1MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,857 INFO L158 Benchmark]: TraceAbstraction took 673869.64ms. Allocated memory was 323.0MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 239.2MB in the beginning and 2.8GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2023-08-29 01:55:46,857 INFO L158 Benchmark]: Witness Printer took 80.94ms. Allocated memory is still 3.2GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 01:55:46,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.4MB in the beginning and 28.4MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3942.17ms. Allocated memory was 60.8MB in the beginning and 134.2MB in the end (delta: 73.4MB). Free memory was 26.9MB in the beginning and 42.8MB in the end (delta: -15.9MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.31ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 42.8MB in the beginning and 83.4MB in the end (delta: -40.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.08ms. Allocated memory is still 161.5MB. Free memory was 83.4MB in the beginning and 76.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1555.53ms. Allocated memory was 161.5MB in the beginning and 323.0MB in the end (delta: 161.5MB). Free memory was 76.1MB in the beginning and 239.2MB in the end (delta: -163.1MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * TraceAbstraction took 673869.64ms. Allocated memory was 323.0MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 239.2MB in the beginning and 2.8GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 80.94ms. Allocated memory is still 3.2GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 545.3s, 1150 PlacesBefore, 152 PlacesAfterwards, 1192 TransitionsBefore, 165 TransitionsAfterwards, 41572 CoEnabledTransitionPairs, 11 FixpointIterations, 1090 TrivialSequentialCompositions, 319 ConcurrentSequentialCompositions, 48 TrivialYvCompositions, 17 ConcurrentYvCompositions, 29 ChoiceCompositions, 1503 TotalNumberOfCompositions, 82963 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35301, independent: 34494, independent conditional: 0, independent unconditional: 34494, dependent: 807, dependent conditional: 0, dependent unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 21623, independent: 21492, independent conditional: 0, independent unconditional: 21492, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35301, independent: 13002, independent conditional: 0, independent unconditional: 13002, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 21623, unknown conditional: 0, unknown unconditional: 21623] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1663]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6883]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6884]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 862]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 880]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1431 locations, 119 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 673.7s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 106.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 545.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15677 SdHoareTripleChecker+Valid, 61.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12152 mSDsluCounter, 11252 SdHoareTripleChecker+Invalid, 57.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11129 mSDsCounter, 4168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46287 IncrementalHoareTripleChecker+Invalid, 50455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4168 mSolverCounterUnsat, 123 mSDtfsCounter, 46287 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30218occurred in iteration=22, InterpolantAutomatonStates: 194, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 6458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 94 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:55:46,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE